diff options
Diffstat (limited to 'drivers/gpio/gpio-pca953x.c')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 763028562d22..d8233bed4234 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -44,7 +44,7 @@ #define PCA_GPIO_MASK 0x00FF #define PCA_INT 0x0100 -#define PCA_PCAL 0x0200 +#define PCA_PCAL 0x0200 #define PCA953X_TYPE 0x1000 #define PCA957X_TYPE 0x2000 #define PCA_TYPE_MASK 0xF000 @@ -135,7 +135,7 @@ static int pca953x_read_single(struct pca953x_chip *chip, int reg, u32 *val, static int pca953x_write_single(struct pca953x_chip *chip, int reg, u32 val, int off) { - int ret = 0; + int ret; int bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ); int offset = off / BANK_SZ; @@ -235,7 +235,6 @@ static int pca953x_gpio_direction_input(struct gpio_chip *gc, unsigned off) goto exit; chip->reg_direction[off / BANK_SZ] = reg_val; - ret = 0; exit: mutex_unlock(&chip->i2c_lock); return ret; @@ -286,7 +285,6 @@ static int pca953x_gpio_direction_output(struct gpio_chip *gc, goto exit; chip->reg_direction[off / BANK_SZ] = reg_val; - ret = 0; exit: mutex_unlock(&chip->i2c_lock); return ret; @@ -351,7 +349,6 @@ exit: mutex_unlock(&chip->i2c_lock); } - static void pca953x_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits) { @@ -820,7 +817,7 @@ static int pca953x_remove(struct i2c_client *client) { struct pca953x_platform_data *pdata = dev_get_platdata(&client->dev); struct pca953x_chip *chip = i2c_get_clientdata(client); - int ret = 0; + int ret; if (pdata && pdata->teardown) { ret = pdata->teardown(client, chip->gpio_chip.base, |